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Removed args from NewXXXFilterContext()

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This commit is contained in:
Quentin Renard
2024-12-19 16:20:19 +01:00
parent ab81ca0faf
commit 4b35c9a741
10 changed files with 286 additions and 89 deletions
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46
filter_graph.go
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@@ -3,7 +3,7 @@ package astiav
//#include <libavfilter/avfilter.h>
import "C"
import (
"strings"
"errors"
"unsafe"
)
@@ -84,47 +84,29 @@ func (g *FilterGraph) SetThreadType(t ThreadType) {
g.c.thread_type = C.int(t)
}
type FilterArgs map[string]string
func (args FilterArgs) String() string {
var ss []string
for k, v := range args {
ss = append(ss, k+"="+v)
}
return strings.Join(ss, ":")
}
// https://ffmpeg.org/doxygen/7.0/group__lavfi.html#gac0788a9ab6966dba9318b5d5c7524fea
func (g *FilterGraph) NewFilterContext(f *Filter, name string, args FilterArgs) (*FilterContext, error) {
ca := (*C.char)(nil)
if len(args) > 0 {
ca = C.CString(args.String())
defer C.free(unsafe.Pointer(ca))
}
cn := C.CString(name)
defer C.free(unsafe.Pointer(cn))
func (g *FilterGraph) NewBuffersinkFilterContext(f *Filter, name string) (*BuffersinkFilterContext, error) {
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
var c *C.AVFilterContext
if err := newError(C.avfilter_graph_create_filter(&c, f.c, cn, ca, nil, g.c)); err != nil {
if err := newError(C.avfilter_graph_create_filter(&c, f.c, cname, nil, nil, g.c)); err != nil {
return nil, err
}
fc := newFilterContext(c)
g.fcs = append(g.fcs, fc)
return fc, nil
}
func (g *FilterGraph) NewBuffersinkFilterContext(f *Filter, name string, args FilterArgs) (*BuffersinkFilterContext, error) {
fc, err := g.NewFilterContext(f, name, args)
if err != nil {
return nil, err
}
return newBuffersinkFilterContext(fc), nil
}
func (g *FilterGraph) NewBuffersrcFilterContext(f *Filter, name string, args FilterArgs) (*BuffersrcFilterContext, error) {
fc, err := g.NewFilterContext(f, name, args)
if err != nil {
return nil, err
// https://ffmpeg.org/doxygen/7.0/group__lavfi.html#gaa9af17ecf4c5c87307b57cf08411088b
func (g *FilterGraph) NewBuffersrcFilterContext(f *Filter, name string) (*BuffersrcFilterContext, error) {
cname := C.CString(name)
defer C.free(unsafe.Pointer(cname))
c := C.avfilter_graph_alloc_filter(g.c, f.c, cname)
if c == nil {
return nil, errors.New("astiav: allocating filter context failed")
}
fc := newFilterContext(c)
g.fcs = append(g.fcs, fc)
return newBuffersrcFilterContext(fc), nil
}